Inventor
NISHIDA ISAMU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NISHIDA ISAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO INSTR & ELECTRONICS
5 patentsUS4690568ASep 1, 1987
Battery lifetime indicator for a stopwatch
SEIKO INSTR & ELECTRONICS22 citations81
US4219756AAug 26, 1980
Mounting structure of a quartz crystal unit
SEIKO INSTR & ELECTRONICS6 citations62
US4447163AMay 8, 1984
Stem mechanism for a watch
SEIKO INSTR & ELECTRONICS4 citations61
US4117665AOct 3, 1978
Magnetic shield plate mounting structure for an electronic timepiece
SEIKO INSTR & ELECTRONICS5 citations58
US4044543AAug 30, 1977
Switching mechanism of an electronic wrist watch
SEIKO INSTR & ELECTRONICS3 citations56